Photon-triggered nanowire transistors

Jungkil Kim, Hoo Cheol Lee, Kyoung Ho Kim, Min Soo Hwang, Jin Sung Park, Jung Min Lee, Jae Pil So, Jae Hyuck Choi, Soon Hong Kwon, Carl J. Barrelet, Hong Kyu Park

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Photon-triggered electronic circuits have been a long-standing goal of photonics. Recent demonstrations include either all-optical transistors in which photons control other photons or phototransistors with the gate response tuned or enhanced by photons. However, only a few studies report on devices in which electronic currents are optically switched and amplified without an electrical gate. Here we show photon-triggered nanowire (NW) transistors, photon-triggered NW logic gates and a single NW photodetection system. NWs are synthesized with long crystalline silicon (CSi) segments connected by short porous silicon (PSi) segments. In a fabricated device, the electrical contacts on both ends of the NW are connected to a single PSi segment in the middle. Exposing the PSi segment to light triggers a current in the NW with a high on/off ratio of >8 × 10 6. A device that contains two PSi segments along the NW can be triggered using two independent optical input signals. Using localized pump lasers, we demonstrate photon-triggered logic gates including AND, OR and NAND gates. A photon-triggered NW transistor of diameter 25 nm with a single 100 nm PSi segment requires less than 300 pW of power. Furthermore, we take advantage of the high photosensitivity and fabricate a submicrometre-resolution photodetection system. Photon-triggered transistors offer a new venue towards multifunctional device applications such as programmable logic elements and ultrasensitive photodetectors.

Original languageEnglish
Pages (from-to)963-968
Number of pages6
JournalNature Nanotechnology
Volume12
Issue number10
DOIs
Publication statusPublished - 2017 Oct 1

Fingerprint

Nanowires
Photons
Transistors
nanowires
transistors
Silicon
Porous silicon
porous silicon
photons
logic
Equipment and Supplies
Logic gates
Optics and Photonics
Phototransistors
phototransistors
Photosensitivity
photosensitivity
Photodetectors
electronics
Photonics

ASJC Scopus subject areas

  • Bioengineering
  • Atomic and Molecular Physics, and Optics
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Kim, J., Lee, H. C., Kim, K. H., Hwang, M. S., Park, J. S., Lee, J. M., ... Park, H. K. (2017). Photon-triggered nanowire transistors. Nature Nanotechnology, 12(10), 963-968. https://doi.org/10.1038/nnano.2017.153

Photon-triggered nanowire transistors. / Kim, Jungkil; Lee, Hoo Cheol; Kim, Kyoung Ho; Hwang, Min Soo; Park, Jin Sung; Lee, Jung Min; So, Jae Pil; Choi, Jae Hyuck; Kwon, Soon Hong; Barrelet, Carl J.; Park, Hong Kyu.

In: Nature Nanotechnology, Vol. 12, No. 10, 01.10.2017, p. 963-968.

Research output: Contribution to journalArticle

Kim, J, Lee, HC, Kim, KH, Hwang, MS, Park, JS, Lee, JM, So, JP, Choi, JH, Kwon, SH, Barrelet, CJ & Park, HK 2017, 'Photon-triggered nanowire transistors', Nature Nanotechnology, vol. 12, no. 10, pp. 963-968. https://doi.org/10.1038/nnano.2017.153
Kim J, Lee HC, Kim KH, Hwang MS, Park JS, Lee JM et al. Photon-triggered nanowire transistors. Nature Nanotechnology. 2017 Oct 1;12(10):963-968. https://doi.org/10.1038/nnano.2017.153
Kim, Jungkil ; Lee, Hoo Cheol ; Kim, Kyoung Ho ; Hwang, Min Soo ; Park, Jin Sung ; Lee, Jung Min ; So, Jae Pil ; Choi, Jae Hyuck ; Kwon, Soon Hong ; Barrelet, Carl J. ; Park, Hong Kyu. / Photon-triggered nanowire transistors. In: Nature Nanotechnology. 2017 ; Vol. 12, No. 10. pp. 963-968.
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